Canadian police are still searching for two “armed and dangerous” men after a mass stabbing left 10 people dead. People on opposite sides of the US are facing extreme weather today - with floods in the east and heat alerts in the west. The UK has a new Prime Minister - we’ll bring you the details. Two people have died after a mass shooting in Virginia. And in Florida, a breakthrough might save a species.

Police in Canada are searching for two suspects described as “armed and dangerous” after a deadly mass stabbing. Tens of millions of Americans are under heat alert - we’ll tell you why people in California are being told to save power. Labor Day means one thing for politicians: the midterms are coming. Rescue efforts are ongoing in Washington state after a plane carrying 10 people crashed over the weekend. Plus, a Black Lives Matter executive has been accused of stealing millions.

This episode contains graphic descriptions of gun violence.

According to a new analysis provided exclusively to CNN, the number of shootings involving automatic weapons in the US has sharply risen over the past few years. We examine how a small piece of plastic or metal can transform a semi-automatic weapon into a machine gun in a matter of moments and how law enforcement is responding.

Guest: Curt Devine, CNN Investigates Producer

An airport employee in Tupelo, Mississippi is in custody after allegedly stealing a plane and threatening to crash it into a Walmart. The Artemis I rocket launch is scrubbed again after technical issues. Californians are being asked to conserve energy as temperatures soar. Former Soviet Union leader Mikhail Gorbachev is laid to rest. And a Virginia man wins the lottery shortly after joking about…winning the lottery.

NASA tries to launch a rocket to the moon for the second time this week. Serena Williams may have played her last professional tennis match. Millions are under heat alerts in the West. China responds after the Biden administration approves an arms sale to Taiwan. And investigators seize dozens of artifacts from the Metropolitan Museum of Art they believe were looted.

An extended shutdown through a key pipeline that supplies natural gas to Europe could worsen fears of an energy crisis in the region. Plus, the Biden administration has agreed to a deal to provide weapons to Taiwan – a move that could increase tensions between the US and China. Veterans will soon have access to abortions in certain cases, regardless of state laws. Actress and activist, Jane Fonda, opened up about her cancer diagnosis. Lastly, more college football teams could soon have a shot at competing in the playoffs.

A federal judge has unsealed a detailed inventory of items FBI agents seized during their search at former President Donald Trump’s Florida home. The August jobs report could give the Federal Reserve more reason to aggressively hike interest rates later this month. Labor Day weekend usually marks the unofficial end of summer but mother nature has other plans this year. We have details on the first named storm to form in the Atlantic this hurricane season. Lastly, we’ll tell you what residents discovered at their home that could be worth big bucks.

President Joe Biden is celebrating his American Rescue Plan, as new job figures show hiring has slowed. The CDC has signed off on Moderna and Pfizer’s updated vaccine booster shots - we’ll tell you what that means for you. More than a third of Pakistan is underwater as deadly flooding continues. Only one nuclear reactor is still functioning at Europe’s largest nuclear power plant in Ukraine. Plus, where is JD Vance?

The latest US employment numbers are higher than economists expected, but the unemployment rate still rose. President Joe Biden is expected to speak later this morning on the American Rescue Plan, but his fiery speech last night against "MAGA Republicans" is still drawing attention. Meanwhile, Jared Kushner says in an interview that his father-in-law is "obviously thinking" about a future presidential run. A raging wildfire in Los Angeles County has grown to 5,200 acres in less than 48 hours. And, Rafael Nadal got a bit too close to his own racket at the US Open.

We begin with President Joe Biden calling “MAGA Republicans” a threat to the country. People in Jackson, Mississippi are being told to shower with their mouths closed as the water crisis continues. Myanmar’s ousted leader has been sentenced today to three years in jail with hard labor. The Williams sisters lost what may have been their last professional tennis match together, but Serena is goes on today at the US Open. And, a nude nearly grounds a flight